The steel is sound-insulated Aluminum nature cabin empty stomach gate The gate opens the schematic drawing Gas Dense Door The cab moves the gate Hardware series Fire door series Fire window series   A Molde Gas Dense Door-1 Standard:GB/T3722-95 A Molde Gas Dense Door Standard:GB/T3722-95 B Molde Gas Dense Door Standard:GB/T3722-95 C Molde Gas Dense Door Standard:GB/T3722-95 Molde Name Opens the direction Shutter material Aeroseal performance A The gasification side opens the type Left Open Right open Stainless steel aluminum alloy 500 B Gasification slipping type 100 C The mechanical pressure clamps the slipping type 0